Home / 229,243.87-343,381.02-144,960.54

Finding the Fourth Proportional to 229,243.87, 343,381.02 and 144,960.54

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Solution

The fourth proportional to 229,243.87, 343,381.02 and 144,960.54 is: 217,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,243.87 : 343,381.02 = 144,960.54 : x
  2. Step 2: Convert to fraction form
    229,243.87/343,381.02 = 144,960.54/x
  3. Step 3: Cross multiply
    229,243.87x = 343,381.02 × 144,960.54
  4. Step 4: Simplify right side
    229,243.87x = 49,776,697,069.07
  5. Step 5: Solve for x
    x = 49,776,697,069.07/229,243.87
  6. Step 6: Final answer
    x = 217,134.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.